If you have a slightly higher budget, consider skipping the Intel 21.5-inch iMac entirely.
Ensure the previous owner has signed out of iCloud and disabled Find My Mac . If it is locked, the computer is useless to you. buy imac 21.5
🛑 The entry-level iMacs featured standard 1080p screens. Unless you are paying next to nothing, hold out for the stunning 4K Retina display. If you have a slightly higher budget, consider
Many used iMacs develop a slight pink or brown hue around the very edges of the screen as the glass and adhesive age. Look at a blank white screen to test this. 💡 The Smarter Alternative 🛑 The entry-level iMacs featured standard 1080p screens
🛑 A Fusion Drive is a hybrid of a small solid-state drive (SSD) and a larger slow hard drive. They are prone to failure and severe slowdowns as they age.
Make sure the machine doesn't have a corporate management profile installed on it.
Are you looking at a or model year right now? 2017 21.5” 4k iMac Updated Review | Still great!